Micrometer-scale specks of dust would hit you like they were armor piercing tank... | Hacker News

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		Sharlin 6 months ago \| parent \| context \| favorite \| on: If the moon were only 1 pixel: A tediously accurat... Micrometer-scale specks of dust would hit you like they were armor piercing tank gun rounds. The usual shielding proposed is ice. Lots of ice.

folli 6 months ago [–]

Why ice?

Sharlin 6 months ago | [–]

Mostly that it's plentiful, ablative, expendable, plus good radiation shielding (yeah, cosmic ray protons are really going to mess things up at relativistic speeds too unless there's enough mass to stop them).

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